Home / 13,614,017.07-18,787,347.47-7,419,065.49

Finding the Fourth Proportional to 13,614,017.07, 18,787,347.47 and 7,419,065.49

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Solution

The fourth proportional to 13,614,017.07, 18,787,347.47 and 7,419,065.49 is: 10,238,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,017.07 : 18,787,347.47 = 7,419,065.49 : x
  2. Step 2: Convert to fraction form
    13,614,017.07/18,787,347.47 = 7,419,065.49/x
  3. Step 3: Cross multiply
    13,614,017.07x = 18,787,347.47 × 7,419,065.49
  4. Step 4: Simplify right side
    13,614,017.07x = 139,384,561,281,863.48
  5. Step 5: Solve for x
    x = 139,384,561,281,863.48/13,614,017.07
  6. Step 6: Final answer
    x = 10,238,312.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.